PEUGEOT 508 GT SW BLUEHDI S/S AUTO (2021)
Running costs, common problems, and reliability data based on 43 real MOT tests in 2024.
MOT Pass Rate
93%
Total Tests (2024)
43
Avg Mileage
39,707 mi
Est. Annual Cost
£1,350
Is the 2021 PEUGEOT 508 GT SW BLUEHDI S/S AUTO reliable?
Excellent reliability. Very few MOT failures. That's 11 points above the national average of 82%. It also outperforms the PEUGEOT brand average of 83%.
At 3 years old, 93% of PEUGEOT 508 GT SW BLUEHDI S/S AUTOs from 2021 passed their MOT first time in 2024. That's based on 43 tests across the UK. The average mileage at this age is 39,707 miles.
How does the 2021 PEUGEOT 508 GT SW BLUEHDI S/S AUTO compare?
Mileage Analysis
The average 2021 PEUGEOT 508 GT SW BLUEHDI S/S AUTO has 39,707 miles on the clock, which is well above the expected 22,200 miles for a 3-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
How much does a 2021 PEUGEOT 508 GT SW BLUEHDI S/S AUTO cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
Checking a specific PEUGEOT 508 GT SW BLUEHDI S/S AUTO?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 PEUGEOT 508 GT SW BLUEHDI S/S AUTO
The 2021 PEUGEOT 508 GT SW BLUEHDI S/S AUTO is a small family car with a 1500cc diesel engine. 43 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 39,707 miles at 3 years old, PEUGEOT 508 GT SW BLUEHDI S/S AUTO owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2021 PEUGEOT 508 GT SW BLUEHDI S/S AUTO Fuel Costs
The 1500cc diesel engine offers a reasonable balance between performance and economy. Expect around 55 mpg in mixed driving, which works out to roughly £905 per year at current diesel prices of 148p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 PEUGEOT 508 GT SW BLUEHDI S/S AUTO?
Total estimated annual running cost is £1,350 (£113/month), broken down as £905 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 93% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 PEUGEOT 508 GT SW BLUEHDI S/S AUTO
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet. Note: with only 43 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2021 PEUGEOT 508 GT SW BLUEHDI S/S AUTO
The PEUGEOT 508 GT SW BLUEHDI S/S AUTO is actually the most reliable option among similar diesel small family cars from this era. Here are comparable diesel cars with similar engines:
- FORD FOCUS (2019) 89% pass rate (-4%) from 93,803 tests
- MERCEDES A (2019) 91% pass rate (-2%) from 89,588 tests
- FORD KUGA (2019) 91% pass rate (-2%) from 72,831 tests
- VOLKSWAGEN POLO (2019) 89% pass rate (-4%) from 65,751 tests